MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 920da024aae08c9100f8d5a8c86327e9649be1b4c8ff0e1d869ce20b9d3877f7. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 11


Intelligence 11 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 920da024aae08c9100f8d5a8c86327e9649be1b4c8ff0e1d869ce20b9d3877f7
SHA3-384 hash: ba06f9594aa760931c07fffb1f037b19701cc76b7e377003d4b10105c5a900ad68d7b73a9d73363d0e327136e565a8bd
SHA1 hash: 010420cd5907edbf77b83332e5f9c8c5797a7dc8
MD5 hash: 96fee2157d4c86f4dc0f81650c21d787
humanhash: four-timing-missouri-summer
File name:Tsunami.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:240'694 bytes
First seen:2025-05-12 22:43:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:YtxtIuK16E+fPak9clF0zBBJBAFfja5XbT0axn64u7+ZsM/Re+ra8sU:cxeuK16E+KbFQBJAFfja5XboaIaZh/px
TLSH T11F344C45EA414E13C4D627BAFAAF024A3332A794D3E7720699246FB437C775F0E63606
telfhash t126314ef1473962216aa0de9c99eda762551ed7021342ff33ee32c4dc280a04ee53ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 ac4bc5c0157567f4a4b943bf6c851314e2aaafeff53c772936dd6a6d4db2a562
File size (compressed) :83'348 bytes
File size (de-compressed) :240'694 bytes
Format:linux/arm
Packed file: ac4bc5c0157567f4a4b943bf6c851314e2aaafeff53c772936dd6a6d4db2a562

Intelligence

File Origin
# of uploads :
1
# of downloads :
144
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135928-0
Create hunting rule

Unix.Dropper.Mirai-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68227ab74a59e5a2ce041524linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Opens a port
Receives data from a server
Runs as daemon
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin masquerade mirai obfuscated remote
Link:
https://www.filescan.io/uploads/682279b8d95f3e34e9679b38/reports/76edc3bb-705e-470e-ad9b-3d639564bd56/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
27
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/920da024aae08c9100f8d5a8c86327e9649be1b4c8ff0e1d869ce20b9d3877f7
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cb62d6b0-08a7-46c9-a980-04e567ff11e0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1688462
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1688462 Sample: Tsunami.arm7.elf Startdate: 13/05/2025 Architecture: LINUX Score: 100 27 155.184.224.1, 23 ZAMRENZM United States 2->27 29 221.165.81.233, 23 YSU-AS-KRyoungsanuniversityKR Korea Republic of 2->29 31 99 other IPs or domains 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 8 Tsunami.arm7.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 16 other processes 2->14 signatures3 process4 process5 16 Tsunami.arm7.elf 8->16         started        19 Tsunami.arm7.elf 8->19         started        21 Tsunami.arm7.elf 8->21         started        23 wrapper-2.0 xfpm-power-backlight-helper 10->23         started        signatures6 33 Sample tries to kill multiple processes (SIGKILL) 16->33 25 Tsunami.arm7.elf 19->25         started        process7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/920da024aae08c9100f8d5a8c86327e9649be1b4c8ff0e1d869ce20b9d3877f7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/920da024aae08c9100f8d5a8c86327e9649be1b4c8ff0e1d869ce20b9d3877f7/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-12 22:44:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sig2ajfk4cgjcahy2wumqyzh5fsjxynuzd7q4hmgttraxhjyo73q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/250512-2nva6ayvhv/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (1631) amount of remote hosts
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/920da024aae08c9100f8d5a8c86327e9649be1b4c8ff0e1d869ce20b9d3877f7

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf ac4bc5c0157567f4a4b943bf6c851314e2aaafeff53c772936dd6a6d4db2a562

Mirai

elf 920da024aae08c9100f8d5a8c86327e9649be1b4c8ff0e1d869ce20b9d3877f7

(this sample)

  
Dropped by
SHA256 ac4bc5c0157567f4a4b943bf6c851314e2aaafeff53c772936dd6a6d4db2a562
  
URLhaus
https://urlhaus.abuse.ch/url/3542178/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 140ff9eedf86277d5a9404af28039148

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